Results 21 to 30 of about 1,680 (125)

Estoque de carbono no solo e agregados em Argissolo sob diferentes manejos de longa duração Carbon stock in soil and aggregates in Ultisol under different management of long duration

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2012
Este trabalho propôs avaliar o teor e o estoque de carbono orgânico total, no solo e nos agregados de um Argissolo Vermelho amarelo sob sistemas de manejo convencional com preparos por arado de disco, arado de disco mais grade pesada, somente grade ...
Clério Hickmann, Liovando M. da Costa
doaj   +1 more source

UTILIZAÇÃO DE EQUAÇÕES DIFERENCIAIS ORDINÁRIAS NA SIMULAÇÃO DO TEOR DE CARBONO ORGÂNICO EM ARGISSOLO SOB DIFERENTES TIPOS DE MANEJO

open access: yesConexões: Ciência e Tecnologia, 2020
O presente artigo tem como principal objetivo estimar o teor de carbono orgânico em função da profundidade no solo Argissolo Vermelho Amarelo distrófico na Zona da Mata de Minas Gerais. Analisou-se diferentes profundidades por meio da Equação Diferencial
Taiana Vinciguerra   +2 more
doaj   +1 more source

The potential of arbuscular mycorrhizal fungi to improve soil organic carbon in agricultural ecosystems: A meta‐analytical approach

open access: yesFunctional Ecology, Volume 39, Issue 4, Page 1016-1030, April 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Increasing soil organic carbon (SOC) in agroecosystems is a key objective for enhancing agricultural sustainability and mitigating climate change. Arbuscular mycorrhizal fungi (AMF) can increase yield and provide several other ecosystem services.
Georgina Conti   +3 more
wiley   +1 more source

Tree Diversity Increases Carbon Stocks and Fluxes Above—But Not Belowground in a Tropical Forest Experiment

open access: yesGlobal Change Biology, Volume 31, Issue 2, February 2025.
We examined the potential of mixed‐species planted forests compared to monospecific forests to act as a nature‐based solution to climate change mitigation through carbon sequestration. By analysing multiple carbon stocks and fluxes over 16 years in the world's oldest tropical tree diversity experiment, we found that planted forests with five tree ...
Florian Schnabel   +18 more
wiley   +1 more source

La sombra alargada del patrón: Gamonalismo y hábitos hacendatarios en Chimborazo tras la reforma agraria

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 4, Page 352-363, December 2024.
Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley   +1 more source

Óxidos de ferro e área superficial de Latossolo subtropical sob campo e floresta nativa [PDF]

open access: yesCiência Rural, 2013
As condições climáticas atuais indicam avanço da vegetação de floresta sobre os campos na região dos Campos de Cima da Serra no Rio Grande do Sul. Essa mudança na vegetação altera o conteúdo de matéria orgânica e a umidade do solo.
Alberto Vasconcellos Inda   +3 more
doaj   +2 more sources

Natural forest colonisation as a management strategy to restore soil functioning of abandoned agricultural lands

open access: yesJournal of Applied Ecology, Volume 61, Issue 11, Page 2690-2700, November 2024.
Though its effectiveness is variable, passive restoration can be more effective than active restoration. Our research indicates that passive tree colonisation of past agricultural land is enough to achieve soil functionality similar to a mature forest for most variables studied. However, some variables would need more time to reach mature forest levels,
B. Acuña‐Míguez   +4 more
wiley   +1 more source

Estimativa de biomassa e carbono em floresta com araucaria utilizando imagens do satélite Ikonos II.

open access: yesCiência Florestal, 2009
A implicação da redução das florestas no ciclo do carbono vem criando uma demanda de desenvolvimento de métodos não destrutivos para a determinação de biomassa, elemento importante na modelagem dos ciclos biogeoquímicos.
Luciano Farinha Watzlawick   +2 more
doaj   +1 more source

Soil carbon and nitrogen cycling at the atmosphere–soil interface: Quantifying the responses of biocrust–soil interactions to global change

open access: yesGlobal Change Biology, Volume 30, Issue 10, October 2024.
Despite the critical role of biological soil crusts (biocrusts) in dryland C and N cycles, little is known about how biocrust‐derived C and N move into the soil. This study reveals how biocrusts facilitate the downward movement of C and N and drive the formation of mineral‐associated organic matter in subcrust soils.
K. Witzgall   +12 more
wiley   +1 more source

Teores de carbono orgânico de três espécies arbóreas em diferentes espaçamentos

open access: yesPesquisa Florestal Brasileira, 2014
Este trabalho teve como objetivo avaliar os teores de carbono orgânico dos compartimentos folha, madeira, galho e casca das espécies florestais Acacia mearnsii De Wild, Eucalyptus grandis Hill e Mimosa scabrella Benth submetidas a diferentes espaçamentos
Alexandre Behling   +5 more
doaj   +1 more source

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